package org.example

enum class EnumO {
    Red,

}
//  枚举
enum class Planet(val mass: Double, val radius: Double) {
    // 定义枚举常量并传入构造函数所需的参数
    MERCURY(3.303e+23, 2.4397e6),
    VENUS(4.869e+24, 6.0518e6),
    EARTH(5.976e+24, 6.37814e6),
    MARS(6.421e+23, 3.3972e6),
    JUPITER(1.9e+27, 7.1492e7),
    SATURN(5.688e+26, 6.0268e7),
    URANUS(8.686e+25, 2.5559e7),
    NEPTUNE(1.024e+26, 2.4746e7);
}

fun main(args: Array<String>) {
    println("${Planet.MARS.name}, ${Planet.MARS.mass}, ${Planet.MARS.radius}")
}